#!/bin/bash

PS3="Choose your favorite vegetable:"       # 设置提示字符串。

echo
select vegetable in "beans" "carrots" "potatoes" "onions" "rutabagas"
do
    echo
    echo "Your favorite veggie is $vegetable."
    echo "Yuck!"
    echo
    break           # 如果这里没有'break'会发生什么?
done
exit 0
